<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>菜鸟教程(runoob.com)</title>
    <style>
        ul
        {
            list-style-image:url('sqpurple.gif');
        }
    </style>
</head>

<body>
<ul>
    <li>Coffee</li>
    <li>Tea</li>
    <li>Coca Cola</li>
</ul>
</body>
</html>